Answer:
2/5.
Step-by-step explanation:
The prime numbers from 1 to 20 are 2, 3, 5, 7, 11, 13, 17 and 19.
A total of 8.
So the probability of rolling a prime number is 8/20
= 2/5.
Ab+ac=a(b+c)
a is common factor
factor
6ab=2*3*a*b
9bc=3*3*b*c
common factor is 3*b or 3b
3b(2a)+3b(3c)=3b(2a+3c)
<span>A) 12x + 15y = 34
</span><span>
</span><span>B) -6x + 5y = 3 Multiplying B) by -3
</span>
B) 18x -15y = -9 Then adding this to A) equals
30x = 25
x =
<span>
<span>
<span>
0.8333333333...
</span></span></span>
<span>A) 12x + 15y = 34
</span>
12 * <span>
<span>
<span>
0.8333333333... + 15y = 34
</span></span></span><span><span><span>
</span></span></span><span><span><span /></span></span>10 + 15y = 34
15y = 24
y = 1.6
<span><span>
</span>
</span>
1. 5+6>8
6+8> 5
5+8> 6
2. 10+10> 2
10+2> 10
10+2> 10
3. 19+ 34> 15
19+ 15 > 34 not correct
34+15 > 19
4. 3+16 > 14
3+14> 16
14+16 >3
Answer is 3 <33
Fg(x) = 7(3x+1)
= 21x + 7